Ranges are far more simple than people make them out to be. There's no set-in-stone rule for what cards you should play every time, in each position.
Typically, in early-mid position, you want to raise with AQ, QQ, AK, KK, AA. Possibly JJ, AJ, and ATs. I'd recommend limping with other pairs and suited connectors, so that you can set/straight/flush mine.
Late position (HJ-BTN), you want to periodically raise with any two cards. Or, you can limp with a big hand, and slow-play it, to get some value.
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